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Finding the Fourth Proportional to 144,279.86, 216,419.85 and 37,663.52

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Solution

The fourth proportional to 144,279.86, 216,419.85 and 37,663.52 is: 56,495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,279.86 : 216,419.85 = 37,663.52 : x
  2. Step 2: Convert to fraction form
    144,279.86/216,419.85 = 37,663.52/x
  3. Step 3: Cross multiply
    144,279.86x = 216,419.85 × 37,663.52
  4. Step 4: Simplify right side
    144,279.86x = 8,151,132,713.66
  5. Step 5: Solve for x
    x = 8,151,132,713.66/144,279.86
  6. Step 6: Final answer
    x = 56,495.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.